<template>
    <div id="BoxEst">
    <!--   导航栏   -->
      <div class="top">
        <el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal" @select="handleSelect">
          <el-col :span="1"><p></p></el-col>
          <el-col :span="3">
            <router-link to="/">
              <el-image
                style="width: 175px;height: 64px"
                src= static/test.png
                fit="fill"
                :lazy="true">
              </el-image>
            </router-link>
          </el-col>
          <el-menu-item index="/" >首页</el-menu-item>
          <el-submenu index="2">
            <template slot="title">关于大赛</template>
            <el-menu-item index="2-1">竞赛信息</el-menu-item>
            <el-menu-item index="2-2">竞赛通知</el-menu-item>
            <el-menu-item index="2-3">竞赛报名</el-menu-item>
            <el-menu-item index="2-4">获奖信息</el-menu-item>
          </el-submenu>
          <el-submenu index="3">
            <template slot="title">学习资料</template>
            <el-menu-item index="/login">上传资料</el-menu-item>
            <el-menu-item index="3-/login">下载资料</el-menu-item>

          </el-submenu>
          <el-submenu index="4">
            <template slot="title">团队合作</template>
            <el-menu-item index="/login">我的团队</el-menu-item>
            <el-menu-item index="/login">学习小组</el-menu-item>
            <el-menu-item index="/login">竞赛团队</el-menu-item>
          </el-submenu>
          <el-menu-item index="5">论坛</el-menu-item>
          <el-col :span="9"><p></p></el-col>
          <el-submenu index="6">
            <template slot="title">
              <i class="el-icon-user"></i>
              用户入口</template>
            <el-menu-item index="/login">登录</el-menu-item>
            <el-menu-item index="/register">注册</el-menu-item>
            <el-menu-item index="/forget">找回密码</el-menu-item>
          </el-submenu>
        </el-menu>
      </div>
    <!--   主要内容   -->
      <div class="main">
        <el-carousel height="450px">
          <el-carousel-item v-for="item in 4" :key="item">
            <h3 class="small">{{ item }}</h3>
          </el-carousel-item>

        </el-carousel>

      </div>
    <!--   底部    -->
      <div class="footer">



      </div>
    </div>
</template>

<script>




    export default {
        name: "index",
        components: {

        },
      data(){
        return {
          activeIndex: this.$route.path,

        };
      },
      methods: {
        handleSelect(key, keyPath) {
          console.log(key, keyPath);
          this.$router.push(key);
        }
      }
    }
</script>

<style scoped>
  #BoxEst{

  }
  .el-header, .el-footer {

    text-align: center;
    line-height: 20px;
  }
  .el-main {

    text-align: center;
    line-height: 180px;
  }


  .el-carousel__item h3 {
    color: #475669;
    font-size: 14px;
    opacity: 0.75;
    line-height: 200px;
    margin: 0;
  }

  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }

  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }
</style>
